<template>
  <div class="tab-bar-item" @click="itemClick">
    <div v-if="!isActive">
      <slot name="item-icon"></slot>
      </div>
    <div v-else>
      <slot name="item-icon-activate"></slot>
    </div>
    <div :style="activeStyle">
      <slot name="item-text"></slot>
    </div>   
  </div>
</template>

<script>
export default {
  name:'TabBarItem',
  props:{
    path: String,
    activeColor:{
      type: String,
      default: 'red'
    }
  },
  data() {
    return {
      // isActive:true,
    }
  },
  computed: {
    activeStyle(){
      return this.isActive?{color:this.activeColor}:{}
    },
    isActive(){
      //方法一
      // return this.$route.path == this.path;
      //方法二
      return this.$route.path.indexOf(this.path) !== -1;
    }
  },
  methods: {
    itemClick(){
        this.$router.replace(this.path);
    }
  },
}
</script>

<style>


.tab-bar-item img{
  width: 24px;
  height: 24px;
  margin-top: 3px;
}

.tab-bar-item {
    flex: 1;
    text-align: center;
    height: 49px;
    font-size: 14px;
}
</style>